:root,
html[data-theme="dark"] {
  color-scheme: dark;
  --ink: #e7ecf1;
  --ink-soft: #9aa7b5;
  --line: rgba(231, 236, 241, 0.1);
  --line-strong: rgba(231, 236, 241, 0.2);
  --surface: rgba(16, 22, 30, 0.72);
  --input-bg: rgba(8, 12, 18, 0.85);
  --input-focus-bg: #0c1218;
  --btn-fg: #04140c;
  --ghost-hover-bg: rgba(255, 255, 255, 0.06);
  --row-hover: rgba(255, 255, 255, 0.04);
  --accent: #3d9a6a;
  --accent-deep: #5cb884;
  --live: #e0a15a;
  --danger: #d45d5d;
  --good: #5cb884;
  --chart-stroke: #3d9a6a;
  --chart-fill: rgba(61, 154, 106, 0.16);
  --bg-spot-a: rgba(61, 154, 106, 0.14);
  --bg-spot-b: rgba(40, 80, 120, 0.18);
  --bg-base: linear-gradient(165deg, #0c1218 0%, #101820 45%, #0e151c 100%);
  --grid-stroke: 231, 236, 241;
  --tooltip-bg: rgba(8, 12, 18, 0.94);
  --skeleton: rgba(231, 236, 241, 0.08);
  --display: "Syne", "Avenir Next", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --sans: "Syne", "Avenir Next", sans-serif;
  --radius: 2px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --row-pad-y: 0.7rem;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.45;
  color: var(--ink);
}

html[data-theme="light"] {
  color-scheme: light;
  --ink: #142033;
  --ink-soft: #4a5a70;
  --line: rgba(20, 32, 51, 0.12);
  --line-strong: rgba(20, 32, 51, 0.22);
  --surface: rgba(255, 255, 255, 0.55);
  --input-bg: rgba(255, 255, 255, 0.72);
  --input-focus-bg: #fff;
  --btn-fg: #f4fffb;
  --ghost-hover-bg: rgba(255, 255, 255, 0.45);
  --row-hover: rgba(255, 255, 255, 0.4);
  --accent: #0f6b5c;
  --accent-deep: #0a4a40;
  --live: #9a3412;
  --danger: #b42318;
  --good: #0f6b5c;
  --chart-stroke: #0f6b5c;
  --chart-fill: rgba(15, 107, 92, 0.14);
  --bg-spot-a: rgba(15, 107, 92, 0.14);
  --bg-spot-b: rgba(20, 60, 110, 0.1);
  --bg-base: linear-gradient(165deg, #d9e3ea 0%, #eef2f5 42%, #e7edf2 100%);
  --grid-stroke: 20, 32, 51;
  --tooltip-bg: rgba(255, 255, 255, 0.96);
  --skeleton: rgba(20, 32, 51, 0.08);
}

html[data-density="compact"] {
  --row-pad-y: 0.38rem;
  font-size: 15px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(900px 520px at 8% -8%, var(--bg-spot-a), transparent 55%),
    radial-gradient(700px 480px at 100% 0%, var(--bg-spot-b), transparent 50%),
    var(--bg-base);
  background-attachment: fixed;
  color: var(--ink);
  transition: background 0.35s var(--ease), color 0.25s var(--ease);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.55;
  background-size: 120px 120px;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  z-index: 0;
}

.hidden {
  display: none !important;
}

/* —— Login —— */
.login-shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem;
}

.login-stage {
  width: min(26rem, 100%);
  animation: rise 0.7s var(--ease) both;
}

.brand-mark {
  margin: 0 0 0.35rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.brand {
  margin: 0;
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(2.8rem, 8vw, 4.2rem);
  letter-spacing: -0.04em;
  line-height: 0.95;
  color: var(--ink);
}

.lede {
  margin: 0.85rem 0 0;
  color: var(--ink-soft);
  max-width: 36ch;
}

.login-form {
  margin-top: 2rem;
  display: grid;
  gap: 0.85rem;
}

.login-form button {
  margin-top: 0.35rem;
}

/* —— App shell —— */
.app {
  position: relative;
  z-index: 1;
  width: min(68rem, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.25rem 0 4rem;
  animation: rise 0.55s var(--ease) both;
}

.masthead {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  justify-content: space-between;
  align-items: flex-end;
  padding: 0.5rem 0 1rem;
  border-bottom: 1px solid var(--line);
}

.masthead-brand .brand {
  font-size: clamp(1.85rem, 4vw, 2.4rem);
}

.masthead-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 0.85rem;
  align-items: center;
}

.theme-toggle {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.5rem 0.85rem;
  background: var(--accent) !important;
  color: var(--btn-fg) !important;
  border: none !important;
  font-weight: 600;
}

.theme-toggle:hover {
  background: var(--accent-deep) !important;
  color: var(--btn-fg) !important;
}

.density-toggle {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.login-theme {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  z-index: 2;
}

.switch {
  display: inline-flex;
  gap: 0.45rem;
  align-items: center;
  margin: 0;
  font-size: 0.8rem;
  color: var(--ink-soft);
  cursor: pointer;
  user-select: none;
}

.switch input {
  width: 0.95rem;
  height: 0.95rem;
  accent-color: var(--accent);
}

.switch-live {
  color: var(--live);
  font-weight: 600;
}

.switch-live input {
  accent-color: var(--live);
}

/* —— Mode strip —— */
.mode-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.25rem;
  align-items: center;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
}

.mode-chip {
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  border-bottom: 2px solid var(--line-strong);
  padding-bottom: 0.1rem;
  transition: color 0.35s var(--ease), border-color 0.35s var(--ease);
}

.mode-chip.is-live {
  color: var(--live);
  border-bottom-color: var(--live);
}

.mode-chip.is-paused {
  color: var(--danger);
  border-bottom-color: var(--danger);
}

.mode-chip.is-assisted {
  color: var(--live);
  border-bottom-color: var(--live);
}

.mode-meta {
  color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
}

.sync-pulse {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-left: auto;
  color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
}

.sync-dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--ink-soft);
  box-shadow: 0 0 0 0 transparent;
}

.sync-pulse[data-state="ok"] .sync-dot {
  background: var(--good);
  animation: pulse 2.4s var(--ease) infinite;
}

.sync-pulse[data-state="warn"] .sync-dot {
  background: var(--live);
}

.sync-pulse[data-state="bad"] .sync-dot {
  background: var(--danger);
  animation: pulse 1.2s var(--ease) infinite;
}

/* —— Hero —— */
.hero {
  display: grid;
  grid-template-columns: minmax(12rem, 0.9fr) minmax(0, 1.4fr);
  gap: 1.5rem 2rem;
  align-items: end;
  padding: 1.75rem 0 2rem;
  border-bottom: 1px solid var(--line);
  animation: rise 0.75s var(--ease) 0.08s both;
}

.eyebrow {
  margin: 0 0 0.4rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.hero-total {
  margin: 0;
  font-family: var(--mono);
  font-weight: 500;
  font-size: clamp(2.2rem, 6vw, 3.4rem);
  letter-spacing: -0.03em;
  color: var(--accent-deep);
  line-height: 1.05;
  font-variant-numeric: tabular-nums;
}

.hero-total.tick {
  animation: tickflash 0.55s var(--ease);
}

.hero-pnl {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem 1rem;
  margin-top: 1rem;
  max-width: 26rem;
}

.hero-pnl-label {
  display: block;
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.hero-pnl-value {
  display: block;
  margin-top: 0.15rem;
  font-family: var(--mono);
  font-size: 0.95rem;
  font-variant-numeric: tabular-nums;
}

.signed-pos {
  color: var(--good);
}

.signed-neg {
  color: var(--danger);
}

.signed-zero {
  color: var(--ink-soft);
}

.hero-chart {
  min-height: 10rem;
}

.chart-toolbar {
  display: flex;
  gap: 0.35rem;
  margin-bottom: 0.55rem;
}

.range-btn {
  background: transparent;
  color: var(--ink-soft);
  border: 1px solid var(--line-strong);
  padding: 0.28rem 0.55rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
}

.range-btn:hover {
  color: var(--ink);
  border-color: var(--ink);
  background: var(--ghost-hover-bg);
}

.range-btn.is-active {
  color: var(--btn-fg);
  background: var(--accent);
  border-color: var(--accent);
}

.chart-stage {
  position: relative;
}

#chart,
.backtest-chart {
  width: 100%;
  height: auto;
  display: block;
}

#chart .chart-line {
  stroke-dasharray: 1200;
  stroke-dashoffset: 1200;
  animation: drawline 1.1s var(--ease) forwards;
}

.chart-tooltip {
  position: absolute;
  z-index: 2;
  pointer-events: none;
  padding: 0.4rem 0.55rem;
  background: var(--tooltip-bg);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  transform: translate(-50%, calc(-100% - 8px));
}

.muted {
  color: var(--ink-soft);
  margin: 0.5rem 0 0;
  font-size: 0.9rem;
}

.empty-note {
  color: var(--ink-soft);
  margin: 0.75rem 0 0;
  font-size: 0.9rem;
}

/* —— Sections —— */
.block {
  padding: 2rem 0;
  border-bottom: 1px solid var(--line);
  animation: rise 0.65s var(--ease) both;
}

.block:nth-of-type(2) { animation-delay: 0.12s; }
.block:nth-of-type(3) { animation-delay: 0.16s; }
.block:nth-of-type(4) { animation-delay: 0.2s; }
.block:nth-of-type(5) { animation-delay: 0.24s; }

.block-head {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.15rem;
}

h2 {
  margin: 0;
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
}

.subhead {
  margin: 1.75rem 0 0.75rem;
  font-family: var(--display);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.block-head .lede {
  margin-top: 0.35rem;
  font-size: 0.92rem;
}

.mode-badge {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  border-bottom: 2px solid var(--line-strong);
  padding-bottom: 0.15rem;
  transition: color 0.35s var(--ease), border-color 0.35s var(--ease);
}

.mode-badge.is-live {
  color: var(--live);
  border-bottom-color: var(--live);
}

.mode-badge.is-paused {
  color: var(--danger);
  border-bottom-color: var(--danger);
}

.mode-badge.is-assisted {
  color: var(--live);
  border-bottom-color: var(--live);
}

/* —— Allocation —— */
.allocation {
  display: flex;
  height: 0.55rem;
  margin: 0 0 1rem;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--line);
}

.allocation-seg {
  height: 100%;
  min-width: 2px;
  transition: width 0.45s var(--ease);
}

.allocation-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.9rem;
  margin: -0.35rem 0 1rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
}

.allocation-legend span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.allocation-swatch {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 1px;
  display: inline-block;
  font-style: normal;
}

/* —— Stat grids —— */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(9.5rem, 1fr));
  gap: 0.85rem 1.25rem;
  margin: 0 0 1.25rem;
  padding: 0;
}

.stat-grid > div {
  margin: 0;
  min-width: 0;
}

.stat-grid dt {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.stat-grid dd {
  margin: 0.2rem 0 0;
  font-family: var(--mono);
  font-size: 0.95rem;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  word-break: break-word;
}

.pnl-grid {
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.bot-equity-wrap {
  margin: 0.75rem 0 1.25rem;
}

.bot-equity-label {
  margin: 0 0 0.35rem;
}

.bot-equity-chart {
  display: block;
  width: 100%;
  max-width: 40rem;
  height: auto;
  opacity: 0;
  animation: fade 0.7s var(--ease) forwards;
}

.gate-meter {
  position: relative;
  width: 100%;
  min-width: 4.5rem;
  height: 0.45rem;
  background: var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.gate-fill {
  height: 100%;
  background: var(--good);
  border-radius: var(--radius);
  transition: width 0.35s var(--ease);
}

.gate-fill.is-near {
  background: var(--live);
}

.gate-fill.is-ready {
  background: var(--danger);
}

.gate-meter-label {
  display: block;
  margin-top: 0.2rem;
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
}

.simulate-panel,
.approvals-block {
  margin: 1rem 0 1.25rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--line);
}

.simulate-list,
.approvals-list {
  list-style: none;
  margin: 0.5rem 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.simulate-list li,
.approvals-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  align-items: center;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 0.78rem;
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--line);
}

.approvals-list .approval-actions {
  display: flex;
  gap: 0.4rem;
}

.backtest-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem 1.5rem;
  margin-bottom: 0.75rem;
}

.runbook {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.runbook > summary {
  cursor: pointer;
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.05rem;
  list-style: none;
}

.runbook > summary::-webkit-details-marker {
  display: none;
}

.runbook-steps {
  margin: 0.85rem 0 0;
  padding-left: 1.15rem;
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--ink-soft);
}

.runbook-steps li + li {
  margin-top: 0.55rem;
}

.runbook kbd,
.mono-inline {
  font-family: var(--mono);
  font-size: 0.78em;
  letter-spacing: 0.02em;
}

.runbook kbd {
  border: 1px solid var(--line-strong);
  padding: 0.05rem 0.35rem;
  border-radius: var(--radius);
}

.switch-assisted input {
  accent-color: var(--live);
}

/* —— Tools / forms —— */
.tool-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: end;
  margin: 1.25rem 0 0.65rem;
}

.inline-field {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin: 0;
  font-size: 0.72rem;
  color: var(--ink-soft);
  font-family: var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.inline-field input {
  width: 4.25rem;
}

.mono-note {
  margin: 0 0 1rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  line-height: 1.45;
}

.backtest-panel {
  margin: 0.5rem 0 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--line);
}

.backtest-chart {
  margin: 0.25rem 0 0.75rem;
  opacity: 0;
  animation: fade 0.7s var(--ease) forwards;
}

label {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.78rem;
  color: var(--ink-soft);
  margin: 0;
}

input,
select,
button,
textarea {
  font: inherit;
}

input,
select {
  background: var(--input-bg);
  border: 1px solid var(--line-strong);
  color: var(--ink);
  padding: 0.55rem 0.65rem;
  border-radius: var(--radius);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

input:focus,
select:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--input-focus-bg);
}

button {
  background: var(--accent);
  color: var(--btn-fg);
  border: none;
  padding: 0.6rem 1rem;
  font-family: var(--display);
  font-weight: 600;
  letter-spacing: -0.01em;
  cursor: pointer;
  border-radius: var(--radius);
  transition: background 0.2s var(--ease), transform 0.2s var(--ease);
}

button:hover {
  background: var(--accent-deep);
  color: var(--btn-fg);
}

button:active {
  transform: translateY(1px);
}

button.ghost {
  background: transparent;
  color: var(--ink-soft);
  border: 1px solid var(--line-strong);
  font-weight: 600;
}

button.ghost:hover {
  color: var(--ink);
  border-color: var(--ink);
  background: var(--ghost-hover-bg);
}

button.danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid rgba(180, 35, 24, 0.35);
  padding: 0.35rem 0.6rem;
  font-size: 0.78rem;
  font-weight: 600;
}

.error {
  color: var(--danger);
  margin: 0;
  font-size: 0.9rem;
}

/* —— Collapsible knobs —— */
.knobs {
  margin: 0.5rem 0 0.25rem;
  border-top: 1px solid var(--line);
  padding-top: 0.75rem;
}

.knobs summary {
  cursor: pointer;
  font-family: var(--display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: -0.02em;
  color: var(--ink);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  user-select: none;
}

.knobs summary::-webkit-details-marker {
  display: none;
}

.knobs summary::before {
  content: "+";
  font-family: var(--mono);
  color: var(--accent);
  width: 1rem;
}

.knobs[open] summary::before {
  content: "–";
}

.knob-form {
  margin-top: 1rem;
  display: grid;
  gap: 1.25rem;
}

.knob-form fieldset {
  margin: 0;
  padding: 0;
  border: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(9.5rem, 1fr));
  gap: 0.75rem;
}

.knob-form legend {
  padding: 0;
  margin: 0 0 0.55rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  grid-column: 1 / -1;
}

.knob-form > button {
  justify-self: start;
}

.alert-form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(8rem, 1fr));
  gap: 0.75rem;
  align-items: end;
  margin-bottom: 1rem;
}

.alert-form button {
  height: 2.55rem;
}

/* —— Tables —— */
.table-wrap {
  overflow-x: auto;
  margin: 0 -0.15rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

th,
td {
  text-align: left;
  padding: var(--row-pad-y) 0.4rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

th {
  color: var(--ink-soft);
  font-family: var(--mono);
  font-weight: 500;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

td.num,
th.num {
  text-align: right;
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}

tbody tr {
  transition: background 0.2s var(--ease);
}

tbody tr:hover {
  background: var(--row-hover);
}

.skeleton-row td {
  background: linear-gradient(90deg, transparent, var(--skeleton), transparent);
  background-size: 200% 100%;
  animation: shimmer 1.4s linear infinite;
  border-bottom-color: transparent;
  height: 2.2rem;
}

.skeleton-text {
  background: var(--skeleton);
  border-radius: var(--radius);
  color: transparent !important;
  min-width: 8ch;
  display: inline-block;
}

.side-buy {
  color: var(--good);
}

.side-sell {
  color: var(--live);
}

.near-gate {
  color: var(--live);
}

/* —— Alerts list —— */
.alerts-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.alerts-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: space-between;
  align-items: center;
  padding: 0.85rem 0;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.88rem;
}

.alerts-list .meta {
  color: var(--ink-soft);
  font-family: var(--sans);
  font-size: 0.8rem;
  margin-top: 0.2rem;
}

.alerts-list li > div:last-child {
  display: flex;
  gap: 0.45rem;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fade {
  to {
    opacity: 1;
  }
}

@keyframes drawline {
  to {
    stroke-dashoffset: 0;
  }
}

@keyframes tickflash {
  0% { opacity: 0.45; }
  100% { opacity: 1; }
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(92, 184, 132, 0.45); }
  70% { box-shadow: 0 0 0 8px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

@media (max-width: 720px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .hero-pnl {
    grid-template-columns: 1fr 1fr;
  }

  .backtest-compare {
    grid-template-columns: 1fr;
  }

  .app {
    width: min(100%, calc(100% - 1.25rem));
  }

  .masthead-controls {
    width: 100%;
  }

  .sync-pulse {
    margin-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  #chart .chart-line,
  .backtest-chart {
    opacity: 1;
    stroke-dasharray: none;
    stroke-dashoffset: 0;
  }
}